This is a very unique Spiratone 100mm f 4.5 Periscope portrait telephoto lens in T mount, 

designed to let you shoot above the crowd or over a high fence, a perfect lens at a sport event or a parade.

Lens is in excellent condition.  The optics does not have any haze, fungus or cleaning mark, the lens aperture consists of 12 blades, closes down to a perfect circle, and is oil free and clicks positively.  

Focusing is precise and smooth. 

This lens has been part of my collection for over 40 years, always stored in an air-conditioned environment

A very rare and unique lens that you'll want for your collection.

Lens comes in a felt lined fitted leather hard case.

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